22021302030000 has 400 divisors, whose sum is σ = 87492563617536. Its totient is φ = 4646252160000.

The previous prime is 22021302029963. The next prime is 22021302030011. The reversal of 22021302030000 is 3020312022.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1303206 + ... + 6763205.

Almost surely, 2^{22021302030000} is an apocalyptic number.

22021302030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22021302030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43746281808768).

22021302030000 is an abundant number, since it is smaller than the sum of its proper divisors (65471261587536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22021302030000 is a wasteful number, since it uses less digits than its factorization.

22021302030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066462 (or 8066441 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22021302030000 its reverse (3020312022), we get a palindrome (22024322342022).

The spelling of 22021302030000 in words is "twenty-two trillion, twenty-one billion, three hundred two million, thirty thousand".